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简述多媒体数据库管理系统的组织结构。

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Passage4 Questions16to20arebasedonthefollowingpassage: Cultureshockisanoccupationaldisease(职业病)forpeoplewhohavebeensuddenlytransplantedabroad. Cultureshockiscausedbytheanxietythatresultsfromlosingallfamiliarsignsandsymbolsofsocialintercourse.Thosesignsareasfollowing:whentoshakehandsandwhattosaywhenmeetpeople,whenandhowtogivetips,howtomakepurchases,whentoacceptandrefuseinvitations,whentotakestatementsseriouslyandwhennot.Thesesigns,whichmaybewords,gestures,facialexpressions,orcustoms,areacquiredbyallofusinthecourseofgrowingupandasmuchapartofourcultureasthelanguagewespeakorthebeliefsweaccept.Allofusdependonhundredsofthesesignsforourpeaceofmindandday-to-dayefficiency,butwedonotcarrymostatthelevelofconsciousawareness. Nowwhenanindividualentersastrangeculture,allormostofthesefamiliarsignsareremoved.Nomatterhowbroadmindedorfullofgoodwillyoumaybeaseriesofsupportshavebeenknockedfromunderyou,followedbyafeelingoffrustration.Whensufferingfromcultureshockpeoplefirstrejecttheenvironmentwhichcauseddiscomfort.Thewaysofthehostcountryarebadbecausetheymakeusfeelbad.Whenforeignersinastrangelandgettogetherincomplainaboutthehostcountryitspeople,youcanbesurethattheyaresufferingfromcultureshock. 16.Accordingtothepassage,cultureshockis. A.anoccupationaldiseaseofforeignpeopleB.mayleadtoveryserioussymptoms C.actuallynotadiseaseD.incurable 17.Accordingtothepassage,cultureshockresultfrom. A.thesuddenchangeofsocialatmosphereandcustoms B.thesuddenchangeofourdailyhabits C.thesuddenlossofourownsignsandsymbols D.thediscomfortthatwefeelwhenfacedwithaforeigner 18.Whichoneofthefollowingmaynotbeasymptomofcultureshock? A.Youdon’tknowhowtoexpressyourgratitude. B.Youdon’tknowhowtogreetotherpeople. C.Yousuddenlyforgetwhatawordmeans. D.Youdon’tunderstandwhyaforeignershrugs. 19.Accordingtothepassage,howwouldapersonwhostaysabroadmostprobablyreactwhenheisfrustratedbythecultureshock? A.Heismostlikelytorefusetoabsorbthestrangeenvironmentatfirst. B.Heisreallytoacceptthechangeandadapthimselftothenewenvironment. C.Althoughhetakestheculturedifferenceforgranted,hestilldoesn’tknowhowtodowithit. D.Hemaybegintohatethepeopleorthingsaroundhim. 20.Themainideaofthispassageisthat. A.cultureshockisanoccupationaldisease B.cultureshockiscausedbytheanxietyoflivinginastrangeculture C.cultureshockhaspeculiarsymptoms D.itisveryhardtocopewithlifeinanewsetting
试题分类: 大学英语六级
练习次数:1次
PARTVREADINGCOMPREHENSION Inthissectiontherearefourpassagesfollowedbyquestionsorunfinishedstatements,eachwithfoursuggestedanswersmarkedA,B,CandD.Choosetheonethatyouthinkisthebestanswer. TEXTA Racket,dinclamor,noise,whateveryouwanttocallit,unwantedsoundisAmerica'smostwidespread nuisance.Butnoiseismorethanjustanuisance.Itconstitutesarealandpresentdangertopeople'shealth.Day andnight,athome,atwork,andatplay,noisecanproduceseriousphysicalandpsychologicalstress.Nooneis immunetothisstress.Thoughweseemtoadjusttonoisebyignoringit,theear,infact,neverclosesandthe bodystillresponds—sometimeswithextremetension,astoastrangesoundinthenight. Theannoyancewefeelwhenfacedwithnoiseisthemostcommonoutwardsymptomofthestressbuilding upinsideus.Indeed,becauseirritabilityissoapparent,legislatorshavemadepublicannoyancethebasisof manynoiseabatementprograms.Themoresubtleandmoreserioushealthhazardsassociatedwithstress causedbynoisetraditionallyhavebeengivenmuchlessattention.Nevertheless,whenweareannoyedormade irritablebynoise,weshouldconsiderthesesymptomsfairwarningthatotherthingmaybehappeningtous, someofwhichmaybedamagingtoourhealth. Ofmanyhealthhazardstonoise,hearinglossisthemostclearlyobservableandmeasurablebyhealth professionals.Theotherhazardsarehardertopindown.Formanyofus,theremaybeariskthatexposuretothe stressofnoiseincreasessusceptibilitytodiseaseandinfection.Themoresusceptibleamongusmayexperience noiseasacomplicatingfactorinheartproblemsandotherdiseases.Noisethatcausesannoyanceandirritability inhealthpersonsmayhaveseriousconsequencesforthesealreadyillinmindorbody. Noiseaffectsusthroughoutourlives.Forexample,thereareindicationsofeffectsontheunbornchildwhen mothersareexposedtoindustrialandenvironmentalnoise.Duringinfancyandchildhood,youngstersexposed tohighnoiselevelsmayhavetroublefallingasleepandobtainingnecessaryamountsofrest. Why,then,istherenotgreateralarmaboutthesedangers?Perhapsitisbecausethelinkbetweennoiseand manydisabilitiesordiseaseshasnotyetbeenconclusivelydemonstrated.Perhapsitisbecausewetendto dismissannoyanceasapricetopayforlivinginthemodernworld.Itmayalsobebecausewestillthinkof hearinglossasonlyanoccupationalhazard. 1.InParagraph1,thephrase"immuneto"areusedtomean___. A.unaffectedby B.hurtby C.unlikelytobeseenby D.unknownby 2.Theauthor'sattitudetowardnoisewouldbestbedescribedas___. A.unrealistic B.traditional C.concerned D.hysterical 3.Whichofthefollowingbeststatesthemainideaofthepassage? A.Noiseisamajorproblem;mostpeoplerecognizeitsimportance. B.Althoughnoisecanbeannoying,itisnotamajorproblem. C.Noiseisamajorproblemandhasnotyetbeenrecognizedassuch. D.Noiseisamajorproblemaboutwhichnothingcanbedone. 4.Theauthorcondemnsnoiseessentiallybecauseit___. A.isagainstthelaw B.canmakesomepeopleirritable C.isanuisance D.inagangertopeople'shealth 5.Theauthorwouldprobablyconsiderresearchabouttheeffectsnoisehasonpeopletobe___. A.unimportant B.impossible. C.awasteofmoney D.essential
试题分类: 专业英语四级
练习次数:1次
PartIReadingComprehension Directions:Inthisparttherearefourpassages.Eachpassageisfollowedbyfourcomprehensionquestions.Readthepassageandanswerthequestions.ThenmarkyouranswerontheAnswerSheet. Passage1 Questions1to5arebasedonthefollowingpassage: Someyearsagothecaptainofashipwasveryinterestedinmedicine.Healwaystookmedicinebookstoseaandlikedtotalkaboutdifferentdiseases. Onedayalazysailoronhisshippretendedtobeill.Helayonhisbunk(铺)andgroanedasifhewereverysick.Thecaptaincametoseehimandwasverypleasedtohaveapatienttolookafter.Hetoldthemantorestforafewdaysandmadetheothersailorsdohiswork.Threedayslateranothersailorpretendedthathehadsomethingwrongwithhischest.Oncemorethecaptainlookedinhismedicalbooksandtold“sick”mantohavearest. Theothersailorswereveryangrybecausetheyhadmoreworktodo.Thepatientshadthebestfoodandlaughedattheirfriendswhenthecaptainwasnotlooking.Atlastthemate(船长副手)decidedtocurethe“sick”men.Hemixedupsomesoap,soot(烟灰),glue(胶水)andotherunpleasantthings.Thenheobtainedpermissionfromthecaptaintogivehismedicinetothe“sick”men.Whentheytastedthemedicine,theyreallydidfeelill.Itwassohorriblethatoneofthepatientsjumpedoutofhibunk,ranupondeskandclimbedthehighestmastontheship.Hedidnotwantanymoremedicine. Thematetoldbothofthementhattheymusttakethemedicineeveryhalfanhour,nightandday.Thissooncuredthem.Theybothsaidtheyfeltbetterandwantedtostartwordagain.Thecaptainrealizedthatthementriedtodeceivehimsohemadethemworkveryhardfortherestofthevoyage. 1.Thefirstsailorpretendedtobeillbecausehewantedto. A.testthecaptain’sknowledgeofmedicineB.befreefromwork C.havethebestfoodontheshipD.playajokeonhisfriends 2.Whenthecaptainknewasailorwasill,he. A.didn’tcaremuchB.sentforadoctor C.lookedafterhimandtoldhimtohavearestD.gavehimsomemedicine 3.Thepatientsfeltbetterquicklybecause. A.theyhadbeengivenpropermedicine B.theylearnedthatthecaptainhadfoundoutthetruth C.theywerelaughedatbytheirfriends D.themedicinethemategavewashorrible 4.Whenthecaptainknewhehadbeendeceived,he. A.toldthemnottodosoagainB.losthistemper C.madethemworkharderD.firedthem 5.Whichofthefollowingbestsummarizesthepassage? A.AsuddenCure.B.TwoPatients.C.CaptainandSailors.D.ADifficultVoyage.
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